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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

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Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
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Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

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Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
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Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

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Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
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Mitral Stenosis I: Introduction01:22

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Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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Mitral Regurgitation I: Introduction01:20

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Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
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Updated: May 5, 2026

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
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Left atrial size and function: role in prognosis.

Brian D Hoit1

  • 1Case Western Reserve University, Cleveland, Ohio; and the University Hospitals Case Medical Center, Cleveland, Ohio.

Journal of the American College of Cardiology
|December 3, 2013
PubMed
Summary
This summary is machine-generated.

Left atrial volume assessment effectively predicts cardiovascular outcomes. Evaluating atrial function is also crucial for cardiovascular risk prediction, with methods rapidly advancing.

Keywords:
cardiovascular outcomesleft atrial functionleft atrial volume

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Area of Science:

  • Cardiology
  • Cardiac Imaging
  • Predictive Medicine

Background:

  • Left atrial size and function are increasingly recognized as important indicators of cardiovascular health.
  • Traditional risk factors do not fully capture cardiovascular event risk.
  • Novel imaging biomarkers are needed for comprehensive risk assessment.

Purpose of the Study:

  • To review current methods for assessing left atrial size and function.
  • To evaluate the predictive capability of left atrial parameters for cardiovascular outcomes.
  • To discuss the clinical utility of left atrial assessment in various patient populations.

Main Methods:

  • Review of existing literature and guidelines on echocardiographic and cardiovascular magnetic resonance imaging techniques.
  • Analysis of studies correlating left atrial volume and function (reservoir, conduit, booster pump) with cardiovascular events.
  • Synthesis of data across general, referral, and specific patient cohorts (atrial fibrillation, cardiomyopathy, ischemic heart disease, valvular heart disease).

Main Results:

  • Left atrial volume is a well-established predictor of cardiovascular outcomes, supporting its routine evaluation in specific populations.
  • Assessment of left atrial function (reservoir, conduit, booster pump) is emerging as a powerful tool for cardiovascular risk stratification.
  • The predictive value of left atrial parameters is demonstrated across diverse cardiovascular conditions.

Conclusions:

  • Left atrial volume measurement is recommended for risk stratification in select patient groups.
  • Left atrial function analysis shows significant promise and is rapidly evolving as a key component of cardiovascular risk assessment.
  • Comprehensive evaluation of left atrial size and function offers valuable insights for predicting cardiovascular events.